Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: ARTNVAARXDY

<< 1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-241 4 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2014-06-25   
240-242 3 Washington Zone 11 MD 318J COMCAST IP PHONE, LLC 236   2006-07-04   
240-242 4 Washington Zone 11 MD 318J COMCAST IP PHONE, LLC 236   2006-07-04   
240-243 6 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2018-11-21   
240-244 1 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2006-03-03   
240-244 2 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2016-06-07   
240-244 5 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2007-01-19   
240-245 3 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2007-05-02   
240-245 4 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2006-10-21   
240-246 7 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-249 3 Mechanicsville MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-253 2 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2006-03-03   
240-254 2 Hughesville MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-260 3 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2017-11-13   
240-261 4 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2016-04-25   
240-261 6 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2016-08-12   
240-262 A Lexington Park-Great Mills MD 318J COMCAST IP PHONE, LLC 236      
240-262 1 Lexington Park-Great Mills MD 318J COMCAST IP PHONE, LLC 236   2023-09-15   
240-264 6 Laurel MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-266 1 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2021-10-07   
240-270 7 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2015-03-20   
240-280 A Laurel MD 318J COMCAST IP PHONE, LLC 236      
240-280 1 Laurel MD 318J COMCAST IP PHONE, LLC 236   2006-08-01   
240-280 2 Laurel MD 318J COMCAST IP PHONE, LLC 236   2006-08-01   
240-280 7 Laurel MD 318J COMCAST IP PHONE, LLC 236   2007-10-07   
240-280 8 Laurel MD 318J COMCAST IP PHONE, LLC 236   2002-01-31   
240-293 6 Washington Zone 12 MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-294 4 Laurel MD 318J COMCAST IP PHONE, LLC 236   2008-06-11   
240-294 6 Laurel MD 318J COMCAST IP PHONE, LLC 236   2007-09-20   
240-294 7 Laurel MD 318J COMCAST IP PHONE, LLC 236   2007-09-20   
240-294 8 Laurel MD 318J COMCAST IP PHONE, LLC 236   2015-09-15   
240-295 3 Laurel MD 318J COMCAST IP PHONE, LLC 236   2008-06-11   
240-297 9 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2006-03-14   
240-318 2 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2008-02-22   
240-318 3 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2009-11-27   
240-318 5 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2013-09-08   
240-328 6 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-334 2 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2013-10-25   
240-339 1 Washington Zone 15 MD 318J COMCAST IP PHONE, LLC 236   2006-03-14   
240-342 2 Ashton MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-348 4 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2010-09-10   
240-348 7 Washington Zone 16 MD 318J COMCAST IP PHONE, LLC 236   2013-07-19   
240-349 2 La Plata MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-360 2 Laurel MD 318J COMCAST IP PHONE, LLC 236   2014-10-20   
240-360 4 Laurel MD 318J COMCAST IP PHONE, LLC 236   2014-06-23   
240-360 5 Laurel MD 318J COMCAST IP PHONE, LLC 236   2015-10-13   
240-377 8 Indian Head MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-386 8 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2009-06-13   
240-389 1 Ashton MD 318J COMCAST IP PHONE, LLC 236   2008-02-29   
240-390 3 Ashton MD 318J COMCAST IP PHONE, LLC 236   2017-08-17   
240-391 6 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2007-10-31   
240-392 2 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2006-03-03   
240-396 6 Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-403 7 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2008-03-05   
240-412 0 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2007-01-22   
240-419 2 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2008-04-30   
240-419 3 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2008-04-30   
240-428 1 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2011-02-13   
240-448 3 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2014-05-10   
240-448 5 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2015-10-20   
240-455 6 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2007-06-21   
240-455 7 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2007-06-21   
240-466 3 Mechanicsville MD 318J COMCAST IP PHONE, LLC 236   2015-03-22   
240-467 A Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236      
240-467 2 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2013-06-09   
240-467 3 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2013-10-03   
240-467 5 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2014-01-04   
240-474 5 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2015-09-30   
240-477 4 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-05-29   
240-477 5 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-05-29   
240-477 6 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-08-02   
240-477 7 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-08-02   
240-477 8 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-08-02   
240-483 A Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236      
240-483 0 Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236      
240-487 6 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2005-07-20   
240-489 3 Poolesville MD 318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-493 4 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2007-09-20   
240-493 6 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2007-06-29   
240-493 7 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2006-12-29   
240-499 8 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2006-10-09   
240-510 3 Washington Zone 15 MD 318J COMCAST IP PHONE, LLC 236   2013-01-12   
240-510 5 Washington Zone 15 MD 318J COMCAST IP PHONE, LLC 236   2007-11-25   
240-518 8 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2012-11-10   
240-528 2 Hughesville MD 318J COMCAST IP PHONE, LLC 236   2015-04-24   
240-531 2 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2017-04-23   
240-532 5 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2013-12-30   
240-532 6 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2013-12-30   
240-532 7 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2013-12-30   
240-534 2 Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236   2016-06-11   
240-542 4 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2009-12-11   
240-553 7 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2013-09-05   
240-558 3 Washington Zone 11 MD 318J COMCAST IP PHONE, LLC 236   2008-04-30   
240-558 4 Washington Zone 11 MD 318J COMCAST IP PHONE, LLC 236   2008-04-30   
240-560 6 Washington Zone 12 MD 318J COMCAST IP PHONE, LLC 236   2012-03-15   
240-560 7 Washington Zone 12 MD 318J COMCAST IP PHONE, LLC 236   2007-05-18   
240-563 1 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2017-08-24   
240-582 5 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2012-10-07   
240-582 6 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2006-10-06   
240-582 7 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2006-10-06   

<< 1 2 3 4 5 6 7 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.